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3 years ago

If 3 pounds of grass seed cover 403 square feet,how many pounds are needed for 5642 square feet?

Mathematics

1 answer:

melomori [17]3 years ago

8 0

Take 5642 ➗ 403 = 14

then multiply 14 ✖ 3 = 42

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Which equation has the solutions x = 1 plus-or-minus StartRoot 5 EndRoot?

Sophie [7]

Answer:

The quadratic equation is x^2-2x-4

Step-by-step explanation:

We want to know the equation that has the solution below;

x = 1 ± √5

This means x = 1 + √5 or 1 - √5

The equation would thus be;

(x-1-√5)(x-1+ √5)

= x(x-1+ √5)-1(x-1+ √5)-√5(x-1+ √5)

Opening the brackets we have ;

x^2-x+ √5x-x + 1 -√5-√5x+ √5-5

collecting like terms we have;

x^2-2x+1-5

= x^2-2x-4

6 0

4 years ago

Select the correct location in the expression.

kogti [31]

Answer:

Correct term:60

Step-by-step explanation:

We are given that

$\frac{4x^4-6x^3+6x+3}{x-3}$

The quotient of this expression is given by

$4x^3+6x^2+18x+78+\frac{183}{x-3}$

We have to find the term in this expression which contains an error.

$\frac{4x^4-6x^3+6x+3}{x-3}$

The quotient of this expression is given by

$=4x^3+6x^2+18x+60$

$Dividend=Divisor\times quotient+ remainder$

Using the formula

$4x^4-6x^3+6x+3=(x-3)(4x^3+6x^2+18x+60)+\frac{183}{x-3}$

We can see that in the given expression there is 60 in place of 78.

The error in the expression of quotient is 78.

Correct term is 60.

4 0

3 years ago

Which lists all the integer solutions of the inequality |x| < 3?

Mrac [35]

If you would like to know which lists all the integer solutions of the inequality <span>|x| < 3, you can calculate this using the following steps:

</span><span>|x| < 3
- 3 < x < 3
x = {-2, -1, 0, 1, 2}

The correct result would be C. -2, -1, 0, 1, and 2.</span>

6 0

3 years ago

What mixed number represents 2.85

Sauron [17]

The answer is 2 and 8.5 over 10.

6 0

4 years ago

The incorrect work of a student to solve an equation 2(y + 8) = 4y is shown below:

PolarNik [594]

Answer:

Step 2 involved distributive property and the value of y is equal to 8.

Step-by-step explanation: